Ubuntu- Sudo without password

I am Linux Admin, my routine job is to maintain proxy, nagios & mail server. I always use root user for my servers. Thus I am used to full rights.

But when it comes to perform admin task on my Ubuntu PC I have no better choice than sudo / su. With the following method I avoid entering password.

There is small configuration change required to avoid sudo prompting password.

cd /etc/

chmod 0740 sudoers

vi sudoers

enter ALL ALL=NOPASSWD: ALL at the end of configuration file.

chmod 0440 sudoers

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